PIIXIDE(4) NetBSD Kernel Interfaces Manual PIIXIDE(4)
NAMEpiixide -- Intel IDE/SATA disk controllers driver
SYNOPSISpiixide* at pci? dev ? function ? flags 0x0000DESCRIPTION
The piixide driver supports the Intel PIIX, PIIX3, PIIX4, and 82801
(ICH/ICH0/ICH2/ICH3/ICH4/ICH5/ICH6/ICH7/ICH8/ICH9) IDE/SATA controllers
and provides the interface with the hardware for the ata(4) driver.
The 0x0002 flag forces the piixide driver to disable DMA on chipsets for
which DMA would normally be enabled. This can be used as a debugging
aid, or to work around problems where the IDE controller is wired up to
the system incorrectly.
SEE ALSOata(4), atapi(4), intro(4), pci(4), pciide(4), wd(4), wdc(4)BUGS
The timings used for the PIO and DMA modes for controllers listed above
are for a PCI bus running at 30 or 33 MHz. This driver may not work
properly on overclocked systems.
NetBSD 5.1 August 31, 2007 NetBSD 5.1

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